{"id":12844,"date":"2019-02-25T06:15:19","date_gmt":"2019-02-25T06:15:19","guid":{"rendered":"http:\/\/vr-room.ch\/?p=12844"},"modified":"2019-02-21T16:43:26","modified_gmt":"2019-02-21T16:43:26","slug":"tote-winkel-ade-vir-macht-das-cockpit-transparent","status":"publish","type":"post","link":"https:\/\/vr-room.ch\/fr\/2019\/02\/25\/tote-winkel-ade-vir-macht-das-cockpit-transparent\/","title":{"rendered":"Adieu les angles morts : ViR rend le cockpit transparent"},"content":{"rendered":"

Les syst\u00e8mes d'assistance au stationnement sont d\u00e9sormais largement r\u00e9pandus. Malgr\u00e9 cela, des accidents de man\u0153uvre se produisent encore sur des voitures et des camions, principalement \u00e0 cause des angles morts du v\u00e9hicule. C'est pourquoi, au Fraunhofer IOSB, des recherches sont men\u00e9es avec la RV sur le \"cockpit transparent\". Une \u00e9tude a montr\u00e9 que cette technologie peut effectivement aider les conducteurs de v\u00e9hicules.<\/h3>\n

<\/p>\n

 <\/p>\n

Jusqu'\u00e0 pr\u00e9sent, les conducteurs ne voient souvent pas les obstacles ou se fient trop aux syst\u00e8mes d'assistance existants. En particulier pour les camions avec remorque, il n'est possible de voir l'environnement pertinent que gr\u00e2ce \u00e0 des r\u00e9troviseurs suppl\u00e9mentaires. M\u00eame les objets situ\u00e9s directement devant le v\u00e9hicule ne peuvent \u00eatre vus qu'indirectement. Cela repr\u00e9sente une source d'erreur potentielle et augmente le temps de r\u00e9action.<\/p>\n

Les v\u00e9hicules deviennent transparents<\/h3>\n

C'est pourquoi Daniel Reichert a r\u00e9alis\u00e9 un travail de master \u00e0 l'Universit\u00e9 de B\u00e2le. Institut Fraunhofer d'optronique, d'ing\u00e9nierie des syst\u00e8mes et d'\u00e9valuation des images IOSB<\/a> en collaboration avec la soci\u00e9t\u00e9 Rio, a con\u00e7u, mis en \u0153uvre et \u00e9valu\u00e9 un nouveau syst\u00e8me d'assistance aux v\u00e9hicules pour les man\u0153uvres de camions. Ensuite, Daniel Secker a d\u00e9velopp\u00e9 et test\u00e9 un syst\u00e8me en temps r\u00e9el pour les voitures dans le cadre de son travail de master. \u00c0 l'aide de lunettes de r\u00e9alit\u00e9 virtuelle et de cam\u00e9ras st\u00e9r\u00e9oscopiques, il rend le v\u00e9hicule en quelque sorte transparent, de sorte que le conducteur peut voir tous les obstacles directement et en trois dimensions \u00e0 leur position r\u00e9elle.<\/p>\n

Plus pr\u00e9cis\u00e9ment, le syst\u00e8me cr\u00e9e une repr\u00e9sentation de la r\u00e9alit\u00e9 augment\u00e9e, une superposition de la perspective normale du conducteur avec une vue virtuelle g\u00e9n\u00e9r\u00e9e par un ordinateur sur la base des images de la cam\u00e9ra.<\/p>\n

Visualisation intuitive gr\u00e2ce aux prises de vue par cam\u00e9ra et \u00e0 la RV<\/h3>\n

Le cockpit transparent doit quant \u00e0 lui permettre une visualisation intuitive. Un algorithme reconna\u00eet ainsi la position des objets dans l'espace \u00e0 l'aide des prises de vue de la cam\u00e9ra et les colore en orange puis en rouge lorsqu'ils s'approchent dangereusement.<\/p>\n

Dans le cadre d'une \u00e9tude d'utilisateurs, Secker a demand\u00e9 \u00e0 15 personnes de se garer en marche arri\u00e8re avec une voiture - sans et avec les lunettes VR. Des cartons ont servi d'obstacles. R\u00e9sultat : les lunettes permettent effectivement aux conducteurs de mieux \u00e9valuer la distance, mais seulement gr\u00e2ce \u00e0 la mise en \u00e9vidence des obstacles en couleur. Les lunettes VR seules n'ont pas encore produit l'effet escompt\u00e9.<\/p>\n

Pour un syst\u00e8me vraiment pratique, les lunettes de r\u00e9alit\u00e9 virtuelle utilis\u00e9es sont toutefois trop encombrantes, comme le souligne Secker lui-m\u00eame. \"Pour cela, il nous faudrait des lunettes VR ou m\u00eame des lunettes de r\u00e9alit\u00e9 augment\u00e9e adapt\u00e9es \u00e0 la pratique\". Le conducteur pourrait porter ces derni\u00e8res en permanence, comme des lunettes normales ; ce n'est que lors des man\u0153uvres que les plans de repr\u00e9sentation virtuels appara\u00eetraient. \"Malheureusement, les mod\u00e8les disponibles aujourd'hui ont encore un champ de vision trop \u00e9troit pour cela\", explique Secker.<\/p>\n

Ce \u00e0 quoi peut ressembler un cockpit transparent est \u00e9galement pr\u00e9sent\u00e9 dans le Vid\u00e9o <\/a>qui a \u00e9t\u00e9 r\u00e9alis\u00e9 dans le cadre du travail de master de Daniel Reichert.<\/p>\n

Source : Innovations-report<\/p>","protected":false},"excerpt":{"rendered":"Les syst\u00e8mes d'assistance au stationnement sont d\u00e9sormais largement r\u00e9pandus. 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